Korean bad boy Cha Tae Hyun and sweet girl Yoon Se Ah join the cast for this weeks episode which airs at the National Museum of Contemporary Art. KJK's greatest weakness revealed?
Running Man must find the two guests among many masked people before the guests find Running Balls that eliminate 2 Running Man members at a time. A drawing relay takes place after, and then they undergo a choreography dance challenge which if they pass will result in no punishment for anyone.
Two guests must find and catch Running Man members, who then join their team and help catch others. After, a drawing race is held and a scavenger hunt begins at HaHa's house for the top 5 items one would bring to a library. At the end there is an emotional farewall to Joong Ki as this is his last episode as a Running Man member.